Take a Test - Asheeqa Keswani - Mozilla Firefox X X https://www.mathxl.com/Student/PlayerTest.aspx?quizme=1&chapterId=15§ionId=1&viewMode=0¢erwin=yes ... E MCD2080 Business Statistics - Jakarta T2 2020 Asheeqa Keswani & |

Take a Test - Asheeqa Keswani - Mozilla Firefox X X https://www.mathxl.com/Student/PlayerTest.aspx?quizme=1&chapterId=15&sectionId=1&viewMode=0&centerwin=yes ... E MCD2080 Business Statistics - Jakarta T2 2020 Asheeqa Keswani & | 09/07/20 10:09 PM Hi, Asheeqa v Sign Out Help Quiz Me: Quiz Me: 15.1 Chi-square Test for the Difference Be Submit Quiz This Question: 1 pt 1 of 5 This Quiz: 5 pts possible ? Help In order to test the puncture resistance of a new off-road tyre, 120 of the new tyres and 180 standard tyres are driven over the same hazardous 500-kilometre course. Just six of the off-road tyres are punctured whereas 17 of the standard tyres have to be replaced due to punctures. a. Can it be concluded with 99% accuracy that the new off-road tyre can be advertised to reduce the rate of punctures in off-road driving over the standard tyre? b. Why has it been decided to set the significance level at a high 99%? What is the consequence if a 95% level had been chosen? a. Let It, be the proportion of off-road tyres that had punctures and let 2 be the proportion of standard tyres that had punctures. Determine the hypotheses. MP Earned 0/1 Choose the correct answer below. OA. HO: Ty # 12 O B. HO- 1 2 12 E Hy : 1 2 OC. HO: Ty = 12 OD. HO: My STIZ The test statistic is - (Round to two decimal places as needed.) Practice Quiz Me The p-value is (Round to three decimal places as needed.) Is this value significant at o = 0.01? Click to select your answer(s). ? Save for Later e D w P 22:09 07/09/2020